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Fix driver finder when net is undriven

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-17 11:00:18 +02:00
parent 6269d97474
commit 924037129c
1 changed files with 2 additions and 0 deletions
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2
common/design_utils.h
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@ -73,6 +73,8 @@ template <typename F1> CellInfo *net_driven_by(const Context *ctx, const NetInfo
{ {
if (net == nullptr) if (net == nullptr)
return nullptr; return nullptr;
if (net->driver.cell == nullptr)
return nullptr;
if (cell_pred(ctx, net->driver.cell) && net->driver.port == port) { if (cell_pred(ctx, net->driver.cell) && net->driver.port == port) {
return net->driver.cell; return net->driver.cell;
} else { } else {